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PS222L Datasheet 3-channel Secondary Monitoring Ic

Manufacturer: SiTi

Overview: PS222L Version : A.002 Issue Date : 2005/01/05 File Name : SP-PS222L-A.002.doc Total Pages : 13 3-Channel Secondary Monitoring IC With Over-Current Protection And an Additional 12V OCP Channel 新竹市科學園區展業一路 9 號 7 樓之 1 SILICON TOUCH TECHNOLOGY INC. 9-7F-1, Prosperity Road I, Science Based Industrial Park, Hsin-Chu, Taiwan 300, R.O.C.

Datasheet Details

Part number PS222L
Manufacturer SiTi
File Size 134.81 KB
Description 3-Channel Secondary Monitoring IC
Datasheet PS222L-SiTi.pdf

General Description

PS222L is specially designed for switching power supply system.

Four important functions of PS222L are the following: over-voltage protection, over-current protection, under-voltage protection and power good signal generating.

OVP/UVP (Over-Voltage/Under-Voltage Protection) monitors 3.3V, 5V and 12V to protect our power supply.

Key Features

  • Over/Under-voltage protection and lock out.
  • Over-current protection and lock out.
  • Fault protection output with open drain output stage.
  • Open drain power good output signal for power good input.
  • Built-in 300mS power good delay.
  • AC on 75mS delay for UV/OC protection.
  • 38mS PSON/ control de-bounce.
  • 14uS de-bounce for noise immunity.
  • Wide power supply range (4.2V~16V).
  • Special care for AC power off 3-Channel S.

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